Richard Tsai, MD
NPI 1790050953 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Tsai, MD is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1790050953).
Provider details
- NPI number
- 1790050953
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2017007565 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,579 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 382 | $82 |
| X-Ray of Abdomen, 1 View74018 | 326 | $8 |
| Ct Scan of Chest With Contrast71260 | 314 | $51 |
| Mri Scan of Abdomen Before and After Contrast74183 | 170 | $99 |
| X-Ray of Chest, 2 Views71046 | 164 | $10 |
| X-Ray of Chest, 1 View71045 | 146 | $8 |
| Ct Scan of Chest Without Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-20
- Last updated
- 2025-04-17
- Certified
- 2022-05-14
Frequently asked questions
- What is Richard Tsai's NPI number?
- Richard Tsai's National Provider Identifier (NPI) is 1790050953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Tsai's specialty?
- Richard Tsai is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Tsai located?
- Richard Tsai's practice location on file with NPPES is 510 S Kingshighway Blvd, Saint Louis, MO 63110-1016.
- What is Richard Tsai's phone number?
- The practice phone number listed in the NPPES registry for Richard Tsai is (314) 362-7200.
- Does Richard Tsai accept Medicare?
- Richard Tsai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Tsai's NPI active?
- Yes — Richard Tsai's NPI (1790050953) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.